1. Click the -icon top left in the Chrome address bar.
2. In the Flash dropdown, select 'Always Allow ..'
3. Refresh the page.

Portal Flash Version

Mission of the game is to reach the exit of every level. Use the gun to create two distinct portal ends. Both points are entrance or exit! Launch a portal with the left mouse button. Use the keys 'A', 'W' and 'D' to move. Have fun with this cool flash version of Valve's Portal!